Bubble machine



FIG. 1 is a top perspective view of a bubble machine showing my newdesign;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a right perspective view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a partial enlarged view of FIG. 4 ; and,

FIG. 10 is a partial enlarged view of FIG. 8 .

Broken lines in the drawings depict portions of the bubble machine thatform no part of the claimed design. The additional broken linessurrounding the detail views are for annotative purposes only and formno part thereof.

CLAIM The ornamental design for a bubble machine, as shown anddescribed.